# STC SA450WE

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Brittain Industries, Inc, United States
- Description: Installation of Brittain/Clarkson or Beechcraft Autopilot
- Applied: June 20, 1963
- Status date: November 19, 2013
- Product: Aircraft, Small Airplane
- Certification basis: Part 3, Part 21
- Data sheets: [TCDS A1CE](https://openairdocs.org/tcds/A1CE)
- Certificate PDF: https://openairdocs.org/files/sha256/cb/23/cb23eaf0ee1579a61292b192dfb1e236baa3fb14b3ac2a32687569621dafb4d1
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/B2D56ED0460BFF2C86257DCC004F972E.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA450WE

## ADs that name it (0)

None.

## Approved models (7)

- Beechcraft Corporation 23 ([TCDS A1CE](https://openairdocs.org/tcds/A1CE))
- Beechcraft Corporation A23 ([TCDS A1CE](https://openairdocs.org/tcds/A1CE))
- Beechcraft Corporation A23-19 ([TCDS A1CE](https://openairdocs.org/tcds/A1CE))
- Beechcraft Corporation A23-24 ([TCDS A1CE](https://openairdocs.org/tcds/A1CE))
- Beechcraft Corporation A23A ([TCDS A1CE](https://openairdocs.org/tcds/A1CE))
- Beechcraft Corporation B23 ([TCDS A1CE](https://openairdocs.org/tcds/A1CE))
- Beechcraft Corporation C23 ([TCDS A1CE](https://openairdocs.org/tcds/A1CE))

## What the certificate says

Read from the PDF's text layer, without the form's printed wording; the layout is lost and the order can differ. The PDF is the record.

Number SA450WE

This certificate issued to: Brittain Industries, Inc.

3266 N. Sheridan Road Tulsa, OK 74115

Part 3of the Civil Air Regulations.

Original Product – Type Certificate Number: A1CE

Make: Beech Model: 23 Series - See Limitations and Conditions

Installation of Brittain/Clarkson or Beechcraft Autopilot in accordance with Brittain Industries, Inc., Installation Manual 11923-1, and optional Brittain Industries, Inc. Beechcraft Nav-Coupler “Add-On” Models B1-300, B1-301 or B1-304 installed in accordance with Brittain Industries, Inc., Installation Manuals 11923-7, 7A, or 11923-11. Beechcraft Airplane Flight Manual Supplements listed on sealed Master Drawings Lists #AP-19 and APA-19 or later FAA approved revision required with this installation.

Applicable eligible aircraft Models and FAA Approved Airplane Flight Manual Supplements listed on sealed Master Drawing List #AP-19 and APA-19 or later FAA approved revision.

If the holder agrees to permit another person to use this certificate to alter a product, the holder must give the other person written evidence of that permission.

Date of application: June 20, 1963 Date reissued: November 19, 2013;

10/25/63; 5/8/64; 11/10/69; 11/2/72 Revision 4 Date of issuance: June 20, 1963 Date amended:

Signature S. Frances Cox

Title Manager, Special Certification Office, Southwest Region

FAA Form 8110-2 (8/13) Page 1

**SUPPLEMENTAL TYPE CERTIFICATE, FAA FORM 8110-2 (CONTINUED)**

To (Name of transferee)

(Address of transferee)

(Number and street)

(City, State, and ZIP Code)

From (Name of grantor)

(Address of grantor)

(Number and street)

(City, State, and ZIP Code)

FAA Form 8110-2 (8/13) Page 2

## Every issue (1)

- November 19, 2013: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/cb/23/cb23eaf0ee1579a61292b192dfb1e236baa3fb14b3ac2a32687569621dafb4d1)

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